/*!	 dock_info.cpp
**	 Dock Info File
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**	Copyright (c) 2007 Chris Moore
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#include <synfig/general.h>

#include "docks/dock_info.h"
#include "canvasview.h"
#include "workarea.h"

#include <synfig/canvas.h>
#include <synfig/color.h>		#include <synfig/context.h>

#include <gtkmm/separator.h>
#include <gtkmm/invisible.h>

#include <gui/localization.h>

#endif

using namespace std;
using namespace etl;
using namespace synfig;

void studio::Dock_Info::on_mouse_move()
{
    etl::loose_handle<CanvasView> canvas_view(get_canvas_view());

    if (!canvas_view) {
        return;
    }

    Point pos = canvas_view->get_work_area()->get_cursor_pos();

    Distance xv(pos[0], Distance::SYSTEM_UNITS);
    xv.convert(App::distance_system, canvas_view->get_canvas()->rend_desc());

    Distance yv(pos[1], Distance::SYSTEM_UNITS);
    yv.convert(App::distance_system, canvas_view->get_canvas()->rend_desc());

    // get the color and set the labels

    x.set_text(xv.get_string(3));
    y.set_text(yv.get_string(3));

    float cr = 0.f, cg = 0.f, cb = 0.f, ca = 0.f;
    Color c = canvas_view->get_canvas()->get_context(canvas_view->get_context_params()).get_color(pos);
    cr = c.get_r();
    cg = c.get_g();
    cb = c.get_b();
    ca = c.get_a();

    if (use_colorspace_gamma()) {
        cr = gamma_in(cr);
        cg = gamma_in(cg);
        cb = gamma_in(cb);
    }

    r.set_text(strprintf("%.1f%%", cr * 100));
    g.set_text(strprintf("%.1f%%", cg * 100));
    b.set_text(strprintf("%.1f%%", cb * 100));
    a.set_text(strprintf("%.1f%%", ca * 100));
}

studio::Dock_Info::Dock_Info()
    : Dock_CanvasSpecific("info", _("Info"), Gtk::StockID("synfig-info"))
{
    set_use_scrolled(false);

    Gtk::Table *table = manage(new Gtk::Table);

    // pos labels
    table->attach(*manage(new Gtk::Label(_("X: "))), 0, 1, 0, 2, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);
    table->attach(*manage(new Gtk::Label(_("Y: "))), 0, 1, 2, 4, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);

    // pos
    table->attach(x, 1, 2, 0, 2, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);
    table->attach(y, 1, 2, 2, 4, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);

    // separator
    table->attach(*manage(new Gtk::VSeparator), 2, 3, 0, 4, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);

    // color label
    table->attach(*manage(new Gtk::Label(_("R: "))), 3, 4, 0, 1, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);
    table->attach(*manage(new Gtk::Label(_("G: "))), 3, 4, 1, 2, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);
    table->attach(*manage(new Gtk::Label(_("B: "))), 3, 4, 2, 3, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);
    table->attach(*manage(new Gtk::Label(_("A: "))), 3, 4, 3, 4, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);

    // color
    table->attach(r, 4, 5, 0, 1, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);
    table->attach(g, 4, 5, 1, 2, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);
    table->attach(b, 4, 5, 2, 3, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);
    table->attach(a, 4, 5, 3, 4, Gtk::EXPAND | Gtk::FILL, Gtk::SHRINK | Gtk::FILL);

    table->attach(*manage(new Gtk::Label), 0, 5, 4, 5);

    table->show_all();

    add(*table);
}

studio::Dock_Info::~Dock_Info()
{
}

void studio::Dock_Info::changed_canvas_view_vfunc(etl::loose_handle<CanvasView> canvas_view)
{
    mousecon.disconnect();

    if (canvas_view && canvas_view->get_work_area()) {
        mousecon = get_canvas_view()->get_work_area()->signal_cursor_moved().connect(sigc::mem_fun(*this, &Dock_Info::on_mouse_move));
    }
}